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Cheap flights from Billings (BIL) to Seattle (BFI)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Billings (BIL) to Seattle (BFI)

How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
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How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
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How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
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Cheap flights from Billings to Seattle in May , June 2026

30 May - 12 Jun $ 817.00
BIL
Billings
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIL
Billings
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28 May - 12 Jun $ 927.00
BIL
Billings
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIL
Billings
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11 May - 12 Jun $ 997.00
BIL
Billings
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIL
Billings
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Last minute flights from Billings to Seattle

13 May - 01 Jun $ 1,043.00
BIL
Billings
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIL
Billings
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28 May - 01 Jun $ 1,044.00
BIL
Billings
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIL
Billings
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11 May - 01 Jun $ 1,115.00
BIL
Billings
Allegiant Air
2 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIL
Billings
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One-way flights to Seattle from Billings

3:41 PM - 6:45 AM
Air Excursions
2 Stops
40h 54m
BIL - BFI
$ 394
Kiwi
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6:02 PM - 6:45 PM
Air Excursions
3 Stops
26h 33m
BIL - BFI
$ 504
Kiwi
Pick dates
10:34 AM - 6:45 AM
Air Excursions
2 Stops
22h 1m
BIL - BFI
$ 574
Kiwi
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How to find the cheapest flight from Billings (BIL) to Seattle (BFI)

Related info for your journey
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How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.